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On the focusing of gravitational radiation

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Abstract

We investigate the gain in intensity that can be achieved by using a massive object as a ‘lens’ to focus gravitational radiation incident on the object from a point-like source. An object of massM produces a gain in intensity of the order ofαGM/λc 2 whereα is a numerical factor which depends on the mass distribution andλ is the wavelength of the radiation. For large mass, the gain is large, but occurs only in a beam of small angular width.

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Ohanian, H.C. On the focusing of gravitational radiation. Int J Theor Phys 9, 425–437 (1974). https://doi.org/10.1007/BF01810927

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Keywords

  • Radiation
  • Field Theory
  • Elementary Particle
  • Quantum Field Theory
  • Mass Distribution